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fix(replay-e2e): match by conversation, not the living system prompt (#3436)
* fix(replay-e2e): match by conversation, not the living system prompt The model-replay match key hashed the full input including the lead-agent system prompt. That prompt is edited frequently (e.g. #3195 added a "File Editing Workflow" section), so the committed fixture went stale the moment the prompt changed on main — turning the Layer-2 render gate RED on every unrelated PR (#3430, #3432, ...). This was a self-inflicted false positive. Root-cause fix: - replay_provider._canonical_messages now EXCLUDES the system message from the hash. The conversation (human/ai/tool) is the stable contract that identifies a recorded turn; the system prompt is an internal detail not part of the front-back contract under test. (Mirrors how open-design keys its mock picker on the user prompt, not the system internals.) Proven robust: injecting a prompt edit no longer causes a replay miss. - Layer-1 golden was BLIND to replay misses: the gateway swallows a miss into an assistant error message, so the shape-only golden stayed green on a stale fixture. It now inspects replay_provider.replay_misses() and fails loud. (Layer-2 already fails on a miss.) - Re-recorded write_read_file.ultra fixture + regenerated golden under the new conversation-only hash. - Layer-2 render spec: assert the in-graph auto-title (deterministic); the follow-up suggestion is fired async and depends on a clean JSON model output, so assert it only when the fixture captured one — never gate on its absence (recording flakiness must not block CI). - docs: REPLAY_E2E.md updated. Verified: Layer-1 golden green (no miss), Layer-2 both specs green, CI=true make test 4033 passed / 0 failed, frontend pnpm check clean. * test(replay-e2e): restore suggestions coverage with a reliable capture Addresses review feedback (the suggestion path was dropped from Layer-2): - record spec now waits for the `/suggestions` response before checking capture stability, so the recorded fixture reliably includes the frontend-fired suggestions turn (previously the stability window could return before suggestions fired, yielding a fixture without it). - Re-recorded write_read_file.ultra: 5 turns (write_file, auto-title, read_file, answer, suggestions). Golden unchanged — suggestions is a separate /suggestions call, not part of the /runs/stream SSE sequence. - Layer-2 spec: restore the hard `EXPECTED_SUGGESTION` assertion. With the record spec now waiting for /suggestions, a fixture missing the suggestion turn means a broken recording and must fail loud, not pass silently. Verified: Layer-1 golden green (no miss), Layer-2 both specs green (auto-title + suggestion render), frontend pnpm check clean. * ci: re-trigger (flaky Docker Hub image pull in sandbox e2e, unrelated) backend-unit-tests failed only in test_sandbox_orphan_reconciliation_e2e.py with 'docker pull busybox:latest ... context deadline exceeded' — a CI-runner network flake reaching Docker Hub, not related to this docs/tests-only change. Empty commit to re-run CI. --------- Co-authored-by: DanielWalnut <45447813+hetaoBackend@users.noreply.github.com>
This commit is contained in:
parent
3b105d1e5f
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@ -50,12 +50,25 @@ gateway's own run/event stores using the request's auth context, so the real
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## How replay works
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`tests/replay_provider.py::ReplayChatModel` returns recorded assistant turns keyed
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by a **normalized hash** of the model input (strips `<system-reminder>`, dates,
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UUIDs, tmp paths). A miss raises loudly rather than passing silently. The system
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prompt is made environment-independent by pinning skills + extensions empty and
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disabling memory/summarization (`tests/_replay_fixture.py::build_config_yaml`), so
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a fixture replays the same across machines, days, and CI. Replaying needs **no
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API key**.
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by a **normalized hash of the conversation** (human / ai / tool messages — role,
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text, tool-call name+args; with `<system-reminder>`, dates, UUIDs, tmp paths
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stripped). A miss raises loudly rather than passing silently.
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**The system prompt is excluded from the match key.** The lead-agent system
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prompt is a living, frequently-edited implementation detail — its wording changes
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across PRs (e.g. #3195 added a "File Editing Workflow" section). Hashing it would
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make every fixture go stale and red-fail unrelated PRs the moment anyone edits the
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prompt. The conversation flow (user input → tool calls → results → answer) is the
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stable contract that identifies a recorded turn. (This mirrors how open-design's
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mock picker keys on the user prompt, not the system internals.) Combined with
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pinning skills + extensions empty and disabling memory/summarization
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(`tests/_replay_fixture.py::build_config_yaml`), a fixture replays the same across
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machines, days, prompt edits, and CI. Replaying needs **no API key**.
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A swallowed hash-miss keeps the SSE *event shapes* identical (the gateway wraps it
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into a normal assistant error message), so the Layer-1 golden can't catch a miss
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by shape alone — it inspects `replay_provider.replay_misses()` and fails loud
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instead. Layer-2 already fails on a miss (the recorded turns never render).
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## Record a new scenario (needs a real key — dev machine only)
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@ -64,6 +64,66 @@
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"viewed_images"
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]
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},
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{
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"event": "values",
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"keys": [
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"artifacts",
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"messages",
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"thread_data",
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"title",
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"viewed_images"
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]
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},
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{
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"event": "values",
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"keys": [
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"artifacts",
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"messages",
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"thread_data",
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"title",
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"viewed_images"
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]
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},
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{
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"event": "values",
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"keys": [
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"artifacts",
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"messages",
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"thread_data",
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"title",
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"viewed_images"
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]
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},
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{
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"event": "values",
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"keys": [
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"artifacts",
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"messages",
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"thread_data",
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"title",
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"viewed_images"
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]
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},
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{
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"event": "values",
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"keys": [
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"artifacts",
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"messages",
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"thread_data",
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"title",
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"viewed_images"
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]
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},
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{
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"event": "values",
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"keys": [
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"artifacts",
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"messages",
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"thread_data",
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"title",
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"viewed_images"
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]
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},
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{
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"event": "end",
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"keys": null
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@ -1,7 +1,7 @@
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{
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"scenario": "write_read_file",
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"mode": "ultra",
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"model": "gpt-5.5",
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"model": "sre/gpt-5",
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"prompt": "Using your own file tools directly, create the file /mnt/user-data/outputs/note.txt with exactly this content: hi from replay. Then read that same file back and reply with its exact contents. Do NOT delegate to a subagent and do NOT use the task tool — do it yourself. Do not ask any clarifying questions.",
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"context": {
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"is_bootstrap": false,
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@ -12,7 +12,7 @@
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},
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"turns": [
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{
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"input_hash": "686cd44a9f17fadc0398768731324f3980480a027593a475fad4583581df677f",
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"input_hash": "9c50eda6ab7e8593dabccbdeadc70a4a7bf778b2c0c3f275f1f96cf2c8ab58db",
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"output": {
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"type": "ai",
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"data": {
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@ -20,36 +20,36 @@
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"additional_kwargs": {},
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"response_metadata": {
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"finish_reason": "tool_calls",
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"model_name": "gpt-5.5",
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"model_name": "sre/gpt-5",
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"model_provider": "openai"
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},
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"type": "ai",
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"name": null,
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"id": "lc_run--019e8c60-8d4b-79a1-8d77-0a67fc360ce4",
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"id": "lc_run--019ea641-acda-7423-9a9f-79725057bc20",
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"tool_calls": [
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{
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"name": "write_file",
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"args": {
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"description": "Create requested note file",
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"description": "Create the requested output file with exact content",
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"path": "/mnt/user-data/outputs/note.txt",
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"content": "hi from replay"
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"content": "hi from replay."
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},
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"id": "call_UdIzq5Vyx7pu1Usnj4wPCC6G",
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"id": "call_FV7zhKonjx5CAa1RwIcKihpi",
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"type": "tool_call"
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}
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],
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"invalid_tool_calls": [],
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"usage_metadata": {
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"reasoning": 21
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}
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}
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}
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@ -60,36 +60,36 @@
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"output": {
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"type": "ai",
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"data": {
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"content": "File Creation and Verification",
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"content": "Direct File Creation and Readback",
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"additional_kwargs": {},
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"response_metadata": {
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"finish_reason": "stop",
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"model_name": "gpt-5.5",
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"model_name": "sre/gpt-5",
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"model_provider": "openai"
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},
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"type": "ai",
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"name": null,
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"id": "lc_run--019e8c60-9c18-72c1-95e8-f6a240747395",
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"id": "lc_run--019ea641-cf52-7793-900e-15ad4f032c0e",
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"tool_calls": [],
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"invalid_tool_calls": [],
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}
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},
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{
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"input_hash": "92430ba866abe577c86d2e67eb5158b10f3f19ec306aa9de235bb06736320d70",
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"input_hash": "6af134379b2a9efa01b4f63032f88211d5f38f459f8bed621eb6c65e8e05c1f9",
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"output": {
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"type": "ai",
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"data": {
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@ -97,31 +97,31 @@
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"additional_kwargs": {},
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"response_metadata": {
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"finish_reason": "tool_calls",
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"model_name": "gpt-5.5",
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"model_name": "sre/gpt-5",
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"model_provider": "openai"
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},
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"type": "ai",
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"name": null,
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"id": "lc_run--019e8c60-b036-7710-8db9-717ab54e5805",
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"id": "lc_run--019ea641-f523-7d60-a416-b051fba469a2",
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"tool_calls": [
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{
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"name": "read_file",
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"args": {
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"description": "Read requested note file",
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"description": "Verify contents to echo back exactly",
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"path": "/mnt/user-data/outputs/note.txt"
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},
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"id": "call_0BFNns0FkRb3n2LR0PRrfbIJ",
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"id": "call_YevFCnLcjWfWHaZm8wwMpEk8",
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"type": "tool_call"
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}
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"cache_read": 3584
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@ -132,29 +132,29 @@
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}
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},
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{
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"input_hash": "8ab757aa51f9d556adcea07c0221445a2b791cc882ef11922babf7f2865d1913",
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@ -165,56 +165,65 @@
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}
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{
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@ -76,6 +76,24 @@ from pydantic import PrivateAttr
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_FIXTURE_ENV = "DEERFLOW_REPLAY_FIXTURE"
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# Process-wide record of replay misses. A miss raises inside the model, but the
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# gateway's LLMErrorHandlingMiddleware swallows it into a normal assistant error
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# message — so the SSE *event shapes* are unchanged and a shape-only golden stays
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# green on a stale fixture. The in-process Layer-1 test inspects this list to fail
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# loud on a miss instead. (Layer-2 already fails on a miss: the recorded turns
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# never render.)
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_replay_misses: list[str] = []
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def replay_misses() -> list[str]:
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"""Hashes that missed the fixture since the last reset (see ``_replay_misses``)."""
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return list(_replay_misses)
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def reset_replay_misses() -> None:
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_replay_misses.clear()
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# Volatile substrings that differ between a recording run and a replay run but
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# carry no semantic weight for matching. Normalized to stable placeholders
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# before hashing so the same logical input hashes identically across processes.
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@ -117,13 +135,24 @@ def _content_to_text(content: Any) -> str:
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def _canonical_messages(messages: list[BaseMessage]) -> str:
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"""Project messages to a stable shape that excludes volatile metadata/ids.
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Keeps only what determines the model's next output: role, text content, and
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tool-call name+args. Drops ``id``, ``response_metadata``, ``usage_metadata``,
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and ``tool_call_id`` (all volatile), then normalizes embedded volatile
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substrings.
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Keeps only what determines which recorded turn to replay: the conversation
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(human / ai / tool messages — role, text content, tool-call name+args). Drops
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||||
``id``, ``response_metadata``, ``usage_metadata``, ``tool_call_id`` (all
|
||||
volatile), then normalizes embedded volatile substrings.
|
||||
|
||||
**The system message is excluded entirely.** The lead-agent system prompt is
|
||||
a living, frequently-edited implementation detail (its wording changes across
|
||||
PRs), not part of the front-back contract this harness verifies. Hashing it
|
||||
would make every fixture go stale — and red-fail on unrelated PRs — the moment
|
||||
anyone edits the prompt. The conversation flow (user input -> tool calls ->
|
||||
results -> answer) is the stable key that identifies a recorded turn.
|
||||
"""
|
||||
projected: list[dict[str, Any]] = []
|
||||
for message in messages:
|
||||
# Exclude the system prompt from the match key — see docstring. It is the
|
||||
# most-edited part of the prompt and not part of the contract under test.
|
||||
if message.type == "system":
|
||||
continue
|
||||
content = _normalize_text(_content_to_text(message.content))
|
||||
tool_calls = getattr(message, "tool_calls", None)
|
||||
# Drop messages that are empty after normalization — e.g. a turn that was
|
||||
@ -189,6 +218,7 @@ class ReplayChatModel(BaseChatModel):
|
||||
key = hash_messages(messages)
|
||||
bucket = self._table.get(key)
|
||||
if not bucket:
|
||||
_replay_misses.append(key)
|
||||
preview = _canonical_messages(messages)
|
||||
raise KeyError(
|
||||
f"replay miss: no recorded output for input hash {key} in {self._fixture_path!r}. "
|
||||
@ -227,4 +257,4 @@ class ReplayChatModel(BaseChatModel):
|
||||
|
||||
|
||||
# Re-export so the recorder shares the exact hashing logic.
|
||||
__all__ = ["ReplayChatModel", "hash_messages"]
|
||||
__all__ = ["ReplayChatModel", "hash_messages", "replay_misses", "reset_replay_misses"]
|
||||
|
||||
@ -66,14 +66,24 @@ def test_replay_write_read_file_ultra_matches_golden(tmp_path: Path, monkeypatch
|
||||
cfg = app_config_module.get_app_config()
|
||||
cfg.database.sqlite_dir = str(home / "db")
|
||||
|
||||
# Fail loud on a replay miss. The gateway swallows a hash-miss into a normal
|
||||
# assistant error message, so the SSE *shapes* below stay green on a stale
|
||||
# fixture — the miss list is the only reliable signal at this layer.
|
||||
import replay_provider
|
||||
|
||||
from app.gateway.app import create_app
|
||||
|
||||
replay_provider.reset_replay_misses()
|
||||
|
||||
events = drive_gateway(create_app(), prompt=fixture["prompt"], context=fixture["context"])
|
||||
|
||||
assert events, "replay produced no SSE events"
|
||||
assert events[0]["event"] == "metadata", f"first event should be metadata, got {events[0]!r}"
|
||||
assert events[-1]["event"] == "end", f"last event should be end (run completed), got {events[-1]!r}"
|
||||
|
||||
misses = replay_provider.replay_misses()
|
||||
assert not misses, f"replay miss ({len(misses)}): the fixture is stale vs the current system prompt or agent graph. Re-record it (see backend/docs/REPLAY_E2E.md). Missed hashes: {misses}"
|
||||
|
||||
# Regenerate the committed golden after re-recording the fixture:
|
||||
# DEERFLOW_WRITE_GOLDEN=1 uv run pytest tests/test_replay_golden.py
|
||||
if os.environ.get("DEERFLOW_WRITE_GOLDEN"):
|
||||
@ -81,7 +91,7 @@ def test_replay_write_read_file_ultra_matches_golden(tmp_path: Path, monkeypatch
|
||||
return
|
||||
|
||||
golden = json.loads(events_path.read_text(encoding="utf-8"))["events"]
|
||||
# A replay hash-miss surfaces as the run erroring mid-stream -> the event
|
||||
# shape sequence diverges from the golden, so this assertion is the catch-all
|
||||
# for both backend SSE drift and replay divergence.
|
||||
# Guards backend SSE protocol drift: the event name + payload-key sequence
|
||||
# must match the committed golden. (Replay divergence is caught by the miss
|
||||
# assertion above, not here — a swallowed miss keeps the shapes identical.)
|
||||
assert events == golden, f"SSE event-shape sequence drifted from the golden.\ngot ({len(events)}): {[e['event'] for e in events]}\nwant ({len(golden)}): {[e['event'] for e in golden]}"
|
||||
|
||||
@ -85,17 +85,21 @@ test.describe("real backend render (replay, no API key)", () => {
|
||||
await textarea.fill(PROMPT);
|
||||
await textarea.press("Enter");
|
||||
|
||||
// Replay-only DOM assertions (derived from the fixture): they render only if
|
||||
// Replay-only DOM assertions (derived from the fixture): both are
|
||||
// model-generated strings absent from the user prompt, so they render only if
|
||||
// the recorded turns replayed AND the real frontend rendered them — the
|
||||
// in-graph auto-title and the post-answer follow-up suggestion. Together they
|
||||
// prove the whole pipeline (replay backend -> real frontend render).
|
||||
// prove the whole pipeline (replay backend -> real frontend render). The
|
||||
// record spec waits for the /suggestions response, so a re-recorded fixture
|
||||
// always captures the suggestion turn — a missing one is a broken recording
|
||||
// and must fail loud here, not pass silently.
|
||||
expect(
|
||||
EXPECTED_TITLE,
|
||||
"fixture should contain an auto-title turn",
|
||||
).not.toBe("");
|
||||
expect(
|
||||
EXPECTED_SUGGESTION,
|
||||
"fixture should contain a suggestions turn",
|
||||
"fixture should contain a suggestions turn (re-record; the record spec waits for /suggestions)",
|
||||
).not.toBe("");
|
||||
await expect(page.getByText(EXPECTED_TITLE)).toBeVisible({
|
||||
timeout: 60_000,
|
||||
|
||||
@ -104,6 +104,16 @@ test("record write/read-file run through the real frontend", async ({
|
||||
await textarea.fill(PROMPT);
|
||||
await textarea.press("Enter");
|
||||
|
||||
// Suggestions fire only AFTER the run completes (input-box.tsx POSTs
|
||||
// /suggestions). Wait for that response so its model call lands in the capture
|
||||
// before we check for stability — otherwise the stability window can return
|
||||
// first and the recorded fixture would be missing the suggestions turn.
|
||||
await page
|
||||
.waitForResponse((r) => r.url().includes("/suggestions"), {
|
||||
timeout: 90_000,
|
||||
})
|
||||
.catch(() => undefined);
|
||||
|
||||
const captured = await waitForCaptureStable(out!);
|
||||
console.log(
|
||||
`[record] captures stabilized at ${captured} model call(s) -> ${out}`,
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user